423611031 has 8 divisors (see below), whose sum is σ = 568197504. Its totient is φ = 280715960.

The previous prime is 423610997. The next prime is 423611059. The reversal of 423611031 is 130116324.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 423611031 - 2²⁵ = 390056599 is a prime.

It is a super-2 number, since 2×423611031² = 358892611169765922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 423610989 and 423611007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423611081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 422265 + ... + 423266.

It is an arithmetic number, because the mean of its divisors is an integer number (71024688).

Almost surely, 2^423611031 is an apocalyptic number.

423611031 is a deficient number, since it is larger than the sum of its proper divisors (144586473).

423611031 is a wasteful number, since it uses less digits than its factorization.

423611031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 845701.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 423611031 is about 20581.8131125516. The cubic root of 423611031 is about 751.0273512012.

Adding to 423611031 its reverse (130116324), we get a palindrome (553727355).

The spelling of 423611031 in words is "four hundred twenty-three million, six hundred eleven thousand, thirty-one".